EP3915188A4 - Motor drive topologies for traction and charging in electrified vehicles - Google Patents
Motor drive topologies for traction and charging in electrified vehicles Download PDFInfo
- Publication number
- EP3915188A4 EP3915188A4 EP20794215.2A EP20794215A EP3915188A4 EP 3915188 A4 EP3915188 A4 EP 3915188A4 EP 20794215 A EP20794215 A EP 20794215A EP 3915188 A4 EP3915188 A4 EP 3915188A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- traction
- charging
- motor drive
- electrified vehicles
- drive topologies
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
- B60L15/06—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit using substantially sinusoidal ac
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/084—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters using a control circuit common to several phases of a multi-phase system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
- B60L2210/44—Current source inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962838538P | 2019-04-25 | 2019-04-25 | |
US201962861020P | 2019-06-13 | 2019-06-13 | |
PCT/US2020/029784 WO2020219857A1 (en) | 2019-04-25 | 2020-04-24 | Motor drive topologies for traction and charging in electrified vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3915188A1 EP3915188A1 (en) | 2021-12-01 |
EP3915188A4 true EP3915188A4 (en) | 2022-05-18 |
Family
ID=72941226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20794215.2A Pending EP3915188A4 (en) | 2019-04-25 | 2020-04-24 | Motor drive topologies for traction and charging in electrified vehicles |
Country Status (4)
Country | Link |
---|---|
US (1) | US12047013B2 (en) |
EP (1) | EP3915188A4 (en) |
CA (1) | CA3137719A1 (en) |
WO (1) | WO2020219857A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112511033B (en) * | 2020-12-08 | 2021-09-24 | 珠海创芯科技有限公司 | Modulation method for improving current stress of switching device of quasi-Z-source inverter |
US20220294365A1 (en) * | 2021-03-12 | 2022-09-15 | Wisconsin Alumni Research Foundation | Current source inverter using bidirectional switches with bidirectional power flow capability |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013145792A1 (en) * | 2012-03-30 | 2013-10-03 | 富士電機株式会社 | Electric power conversion device |
CN203911747U (en) * | 2014-05-15 | 2014-10-29 | 美的集团股份有限公司 | Intelligent power module |
US20170331392A1 (en) * | 2014-11-28 | 2017-11-16 | Robert Bosch Gmbh | Battery system comprising a hybrid battery and an npc inverter which is connected at the input end to the battery, and method for operating an npc inverter which is connected at the input end to a hybrid battery |
US20180269872A1 (en) * | 2017-03-16 | 2018-09-20 | Infineon Technologies Ag | Transistor device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA05001099A (en) * | 2002-07-31 | 2005-09-08 | Smc Electrical Products Inc | Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge. |
US6842354B1 (en) * | 2003-08-08 | 2005-01-11 | Rockwell Automation Technologies, Inc. | Capacitor charge balancing technique for a three-level PWM power converter |
WO2011132206A1 (en) | 2010-04-19 | 2011-10-27 | Power-One Italy S.P.A. | Multi-level dc/ac converter |
US8880250B2 (en) | 2011-02-28 | 2014-11-04 | Deere & Company | DC bus voltage control |
US9124194B2 (en) * | 2013-06-03 | 2015-09-01 | Infineon Technologies Austria Ag | Methods and systems for a full-bridge voltage converting device |
EP3114764A4 (en) * | 2014-03-03 | 2017-11-08 | Schneider Electric IT Corporation | Systems and methods for improving efficiency of a neutral-point-clamped inverter |
US10491095B2 (en) * | 2014-10-06 | 2019-11-26 | Ford Global Technologies, Llc | Dynamic IGBT gate drive for vehicle traction inverters |
GB2534348A (en) * | 2014-11-21 | 2016-07-27 | Reinhausen Maschf Scheubeck | Active Snubber |
-
2020
- 2020-04-24 WO PCT/US2020/029784 patent/WO2020219857A1/en unknown
- 2020-04-24 US US17/605,385 patent/US12047013B2/en active Active
- 2020-04-24 EP EP20794215.2A patent/EP3915188A4/en active Pending
- 2020-04-24 CA CA3137719A patent/CA3137719A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013145792A1 (en) * | 2012-03-30 | 2013-10-03 | 富士電機株式会社 | Electric power conversion device |
CN203911747U (en) * | 2014-05-15 | 2014-10-29 | 美的集团股份有限公司 | Intelligent power module |
US20170331392A1 (en) * | 2014-11-28 | 2017-11-16 | Robert Bosch Gmbh | Battery system comprising a hybrid battery and an npc inverter which is connected at the input end to the battery, and method for operating an npc inverter which is connected at the input end to a hybrid battery |
US20180269872A1 (en) * | 2017-03-16 | 2018-09-20 | Infineon Technologies Ag | Transistor device |
Non-Patent Citations (4)
Title |
---|
ALFARIS FARIS E ET AL: "A current-fed quasi Z-source inverter with SiC power modules for EV/HEV applications", 2017 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), IEEE, 1 October 2017 (2017-10-01), pages 5445 - 5452, XP033247547, DOI: 10.1109/ECCE.2017.8096910 * |
HAN DI ET AL: "New Method for Common Mode Voltage Cancellation in Motor Drives: Concept, Realization, and Asymmetry Influence", IEEE TRANSACTIONS ON POWER ELECTRONICS, INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, USA, vol. 33, no. 2, 1 February 2018 (2018-02-01), pages 1188 - 1201, XP011672571, ISSN: 0885-8993, [retrieved on 20171101], DOI: 10.1109/TPEL.2017.2688370 * |
See also references of WO2020219857A1 * |
UN E ET AL: "A Near-State PWM Method With Reduced Switching Losses and Reduced Common-Mode Voltage for Three-Phase Voltage Source Inverters", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 45, no. 2, 1 March 2009 (2009-03-01), pages 782 - 793, XP011253746, ISSN: 0093-9994 * |
Also Published As
Publication number | Publication date |
---|---|
EP3915188A1 (en) | 2021-12-01 |
US12047013B2 (en) | 2024-07-23 |
WO2020219857A1 (en) | 2020-10-29 |
CA3137719A1 (en) | 2020-10-29 |
US20220216806A1 (en) | 2022-07-07 |
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Ipc: B60L 15/00 20060101ALI20220220BHEP Ipc: H02M 7/5395 20060101ALI20220220BHEP Ipc: H02M 7/5387 20070101ALI20220220BHEP Ipc: B60L 15/06 20060101ALI20220220BHEP Ipc: B60L 1/00 20060101ALI20220220BHEP Ipc: H02M 1/00 20060101ALI20220220BHEP Ipc: H02M 1/088 20060101ALI20220220BHEP Ipc: B60L 50/51 20190101ALI20220220BHEP Ipc: H02P 27/06 20060101ALI20220220BHEP Ipc: H02M 7/537 20060101ALI20220220BHEP Ipc: H02M 7/44 20060101ALI20220220BHEP Ipc: H02M 7/48 20070101AFI20220220BHEP |
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A4 | Supplementary search report drawn up and despatched |
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Ipc: B60L 15/00 20060101ALI20220412BHEP Ipc: H02M 7/5395 20060101ALI20220412BHEP Ipc: H02M 7/5387 20070101ALI20220412BHEP Ipc: B60L 15/06 20060101ALI20220412BHEP Ipc: B60L 1/00 20060101ALI20220412BHEP Ipc: H02M 1/00 20060101ALI20220412BHEP Ipc: H02M 1/088 20060101ALI20220412BHEP Ipc: B60L 50/51 20190101ALI20220412BHEP Ipc: H02P 27/06 20060101ALI20220412BHEP Ipc: H02M 7/537 20060101ALI20220412BHEP Ipc: H02M 7/44 20060101ALI20220412BHEP Ipc: H02M 7/48 20070101AFI20220412BHEP |
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